Re: [PATCH 4/5] mm/page_vma_mapped: use huge_ptep_get() for hugetlb

[David Hildenbrand (Arm)]

> 
> We can simply do this right:
> 
> diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
> index b8432886085af..a35fa373263dc 100644
> --- a/arch/arm64/mm/hugetlbpage.c
> +++ b/arch/arm64/mm/hugetlbpage.c
> @@ -87,7 +87,7 @@ static int find_num_contig(struct mm_struct *mm, unsigned long addr,
>  	p4dp = p4d_offset(pgdp, addr);
>  	pudp = pud_offset(p4dp, addr);
>  	pmdp = pmd_offset(pudp, addr);
> -	if ((pte_t *)pmdp == ptep) {
> +	if ((pte_t *)PTR_ALIGN_DOWN(pmdp, sizeof(*pmdp) * CONT_PMDS) == ptep) {
>  		*pgsize = PMD_SIZE;
>  		return CONT_PMDS;

That should also work I think.

-- 
Cheers,

David